[Code of Federal Regulations] [Title 18, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 18CFR154.314] [Page 495] TITLE 18--CONSERVATION OF POWER AND WATER RESOURCES CHAPTER I--FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY PART 154_RATE SCHEDULES AND TARIFFS--Table of Contents Subpart D_Material To Be Filed With Changes Sec. 154.314 Other support for a filing. (a) Any company filing for a rate change is responsible for preparing prior to filing, and maintaining, workpapers sufficient to support the filing. (b) If the natural gas company has relied upon data other than those in Statements A through P in Sec. 154.312 in support of its general rate change, such other data must be identified and submitted.